/* THEME Green - green-vn.com (Green Renewable Energy Engineering JSC). Tiền tố .gv-; khối trang chủ dùng .hs-* (dùng chung với theme khác).
   Tông màu chính #5eb229 (xanh lá), điểm nhấn cam #f37021 (theo logo), nền tối chân trang. Bootstrap chỉ cho biểu mẫu và lưới footer.
   Không jQuery/Owl/Nivo. */
:root {
  --gv-accent: #5eb229;
  --gv-accent-dark: #4a9220;
  --gv-accent-soft: #eef7e6;
  --gv-hover: #f37021;
  --gv-ink: #222;
  --gv-text: #555;
  --gv-muted: #777;
  --gv-line: #e6e8ea;
  --gv-grey: #f7f8fc;
  --gv-dark: #171b19;
  --gv-darker: #0f1210;
  --gv-w: 1200px;
  --gv-font: "Open Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

/* ---------- Nền tảng ---------- */
.gv-body { margin: 0; background: #fff; color: var(--gv-text); font: 400 17px/1.7 var(--gv-font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
.gv-body h1, .gv-body h2, .gv-body h3, .gv-body h4 { color: var(--gv-ink); font-family: var(--gv-font); line-height: 1.3; }
:where(.gv-body) a { color: var(--gv-accent-dark); text-decoration: none; transition: color .2s, background-color .2s; }
:where(.gv-body) a:hover { color: var(--gv-hover); }
:where(.gv-body) img { max-width: 100%; height: auto; }
.gv-container { width: 100%; max-width: var(--gv-w); margin: 0 auto; padding: 0 15px; }
.gv-main { min-height: 40vh; }
.gv-muted { color: var(--gv-muted); }

/* ---------- Đầu trang ---------- */
.gv-header { position: relative; z-index: 50; background: #fff; }
.gv-topbar { background: var(--gv-accent); color: #fff; font-size: 14px; }
.gv-topbar__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 30px; }
.gv-topbar a { color: #fff; }
.gv-topbar a:hover { color: #fff; opacity: .85; }
.gv-topbar__mail { display: inline-flex; align-items: center; gap: 8px; }
.gv-topbar__ico { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #fff; color: var(--gv-accent) !important; font-size: 10px; }
/* Cờ ngôn ngữ: các lá cờ nằm ngang hàng (không dropdown) */
.gv-langs { display: flex; align-items: center; gap: 8px; margin: 0; padding: 0; list-style: none; }
.gv-langs a { display: block; line-height: 0; border: 2px solid transparent; border-radius: 2px; opacity: .8; transition: opacity .2s, border-color .2s; }
.gv-langs a:hover, .gv-langs a.is-current { opacity: 1; border-color: #fff; }
.gv-langs img { display: block; width: 22px; height: 15px; object-fit: cover; }

/* ---------- Thanh menu (dính đầu trang khi cuộn) ---------- */
.gv-nav { position: sticky; top: 0; z-index: 60; background: #fff; box-shadow: 0 2px 8px -4px rgb(0 0 0 / .3); }
.gv-nav__bar { position: relative; display: flex; align-items: center; gap: 18px; }
.gv-brand { display: flex; align-items: center; padding: 6px 0; flex: 0 0 auto; }
.gv-brand img { display: block; max-height: 48px; width: auto; }
.gv-brand__text { color: var(--gv-accent-dark); font: 700 22px/1.2 var(--gv-font); text-transform: uppercase; }
.gv-menu { display: flex; flex: 1; flex-wrap: wrap; align-items: center; justify-content: center; margin: 0; padding: 0; list-style: none; }
.gv-menu > li { position: relative; }
.gv-menu > li > a { display: block; padding: 20px 14px; color: var(--gv-ink); font-size: 14px; font-weight: 600; line-height: 20px; text-transform: uppercase; }
.gv-menu > li > a:hover, .gv-menu > li:focus-within > a { color: var(--gv-accent); }
.gv-has-sub > a::after { content: ""; display: inline-block; margin-left: 5px; border: 3px solid transparent; border-top-color: currentColor; border-bottom: 0; vertical-align: middle; }
.gv-sub { position: absolute; top: 100%; left: 0; z-index: 70; min-width: 220px; margin: 0; padding: 0; list-style: none; background: #fff; border-top: 3px solid var(--gv-accent); box-shadow: 0 8px 18px rgb(0 0 0 / .15); opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .25s, transform .25s, visibility .25s; }
.gv-has-sub:hover > .gv-sub, .gv-has-sub:focus-within > .gv-sub, .gv-has-sub.is-open > .gv-sub { opacity: 1; visibility: visible; transform: none; }
.gv-sub li { border-bottom: 1px solid var(--gv-line); }
.gv-sub li:last-child { border-bottom: 0; }
.gv-sub a { display: block; padding: 10px 18px; color: var(--gv-ink); font-size: 15px; }
.gv-sub a:hover { background: var(--gv-accent); color: #fff; }
.gv-sub-toggle, .gv-burger { display: none; }
.gv-search-btn { flex: 0 0 auto; width: 40px; height: 40px; border: 0; background: transparent; color: var(--gv-ink); font-size: 16px; cursor: pointer; }
.gv-search-btn:hover { color: var(--gv-accent); }
.gv-search { display: none; background: var(--gv-grey); border-top: 1px solid var(--gv-line); }
.gv-search.is-open { display: block; }
.gv-search form { display: flex; gap: 8px; padding: 12px 0; }
.gv-search input { flex: 1; min-width: 0; height: 44px; padding: 0 16px; border: 1px solid #cfd8d0; border-radius: 22px; font-size: 17px; background: #fff; }
.gv-search input:focus { border-color: var(--gv-accent); outline: 0; }
.gv-search button { padding: 0 24px; height: 44px; border: 0; border-radius: 22px; background: var(--gv-accent); color: #fff; font-weight: 600; cursor: pointer; }
.gv-search button:hover { background: var(--gv-hover); }

/* ---------- Giới thiệu trang chủ (Cài đặt site > Giới thiệu; mẫu: Templates/intro.html) ---------- */
.gv-intro-band { padding: 80px 0; background: #fff; }
.gv-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 36px 70px; align-items: center; }
.gv-intro__media img { display: block; width: 100%; max-width: 560px; height: auto; margin: 0 auto; }
.gv-intro__title { margin: 0 0 16px; color: var(--gv-hover); font-size: 20px; font-weight: 600; line-height: 1.4; text-transform: uppercase; }
.gv-intro__body p { margin: 0 0 12px; font-size: 18px; line-height: 2.1; text-align: justify; }
.gv-intro__body .gv-intro__more { margin: 22px 0 0; text-align: right; }
.gv-intro .gv-btn { margin: 0; padding: 14px 38px; height: auto; font-size: 18px; line-height: 1.5; }
@media (max-width: 991px) {
  .gv-intro-band { padding: 50px 0; }
  .gv-intro { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .gv-intro__media img { max-width: 360px; }
  .gv-intro__body p { font-size: 17px; line-height: 1.9; }
}

/* ---------- Slider trang chủ ---------- */
.gv-hero { position: relative; background: #26302a; }
.gv-hero__track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -ms-overflow-style: none; }
.gv-hero__track::-webkit-scrollbar { display: none; }
.gv-hero__slide { position: relative; flex: 0 0 100%; scroll-snap-align: start; height: clamp(240px, 38vw, 480px); }
.gv-hero__slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgb(0 0 0 / .45), rgb(0 0 0 / .05) 70%); pointer-events: none; }
.gv-hero__slide picture, .gv-hero__slide img { display: block; width: 100%; height: 100%; }
.gv-hero__slide img { object-fit: cover; }
.gv-hero__cover { position: absolute; inset: 0; z-index: 3; }
.gv-hero__capwrap { position: absolute; inset: 0; z-index: 4; display: flex; align-items: center; left: 50%; transform: translateX(-50%); pointer-events: none; }
.gv-hero__caption { max-width: 620px; pointer-events: auto; }
.gv-hero__title { margin: 0 0 18px; color: #7ccb3b !important; font-size: clamp(24px, 3.6vw, 40px); font-weight: 700; line-height: 1.2; text-transform: uppercase; text-shadow: 0 2px 8px rgb(0 0 0 / .45); }
.gv-hero__sub { margin: 0 0 20px; color: #fff; font-size: clamp(15px, 1.6vw, 18px); text-shadow: 0 1px 6px rgb(0 0 0 / .4); }
.gv-hero__btn { display: inline-block; padding: 9px 26px; border-radius: 100px; background: var(--gv-accent); color: #fff !important; font-size: 15px; font-weight: 600; line-height: 1.5; }
.gv-hero__btn:hover { background: var(--gv-hover); }
/* Căn lề chữ theo lựa chọn trong Admin (Slider > Căn lề chữ): trái (mặc định) | giữa | phải */
.gv-hero__capwrap--center { justify-content: center; text-align: center; }
.gv-hero__capwrap--right { justify-content: flex-end; text-align: right; }
.gv-hero__slide--center::after { background: rgb(0 0 0 / .3); }
.gv-hero__slide--right::after { background: linear-gradient(270deg, rgb(0 0 0 / .45), rgb(0 0 0 / .05) 70%); }
.gv-hero__nav { position: absolute; top: 50%; z-index: 5; transform: translateY(-50%); width: 40px; height: 40px; border: 0; border-radius: 50%; background: rgb(94 178 41 / .85); color: #fff; font-size: 16px; cursor: pointer; }
.gv-hero__nav:hover { background: var(--gv-hover); }
.gv-hero__prev { left: 20px; }
.gv-hero__next { right: 20px; }

/* ---------- Dải nội dung trang chủ ---------- */
.gv-band { padding: 64px 0 70px; }
.gv-band--grey { background: var(--gv-grey); padding-bottom: 40px; }
.gv-band__head { max-width: 640px; margin: 0 auto 36px; text-align: center; }
.gv-title { position: relative; margin: 0 0 18px; padding-bottom: 12px; color: var(--gv-ink); font-size: 22px; font-weight: 700; letter-spacing: .5px; text-align: center; text-transform: uppercase; }
.gv-title::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 64px; height: 4px; transform: translateX(-50%); background: var(--gv-accent); }
.gv-band__head .gv-title { margin-bottom: 8px; }
.gv-band__more { margin: 30px 0 0; text-align: center; }

.hs-btn { display: inline-block; padding: 9px 26px; border-radius: 100px; background: var(--gv-accent); color: #fff !important; font-size: 15px; font-weight: 600; }
.hs-btn:hover { background: var(--gv-hover); box-shadow: 0 10px 25px rgb(0 0 0 / .1); }

/* Giới thiệu nổi bật */
.hs-spotlight { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; align-items: center; }
.hs-spotlight__media { display: block; line-height: 0; }
.hs-spotlight__media img { width: 100%; height: auto; }
.hs-spotlight__title { margin: 0 0 14px; font-size: 15px; font-weight: 700; text-transform: uppercase; }
.hs-spotlight__title, .hs-spotlight__title a { color: var(--gv-hover) !important; }
.hs-spotlight__text { margin: 0 0 22px; color: var(--gv-text); font-size: 15px; line-height: 1.8; text-align: justify; white-space: pre-line; }
.hs-spotlight__body { text-align: left; }
.hs-spotlight__body .hs-btn { float: right; }
@media (min-width: 768px) { .hs-spotlight { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .hs-spotlight__body { padding-right: 10px; } }

/* Thẻ tính năng (Sứ mệnh / Tầm nhìn) */
.hs-features { display: grid; gap: 30px; grid-template-columns: minmax(0, 1fr); margin-bottom: 30px; }
@media (min-width: 768px) { .hs-features--2, .hs-features--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .hs-features--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 992px) { .hs-features--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.hs-feature { padding: 38px 28px 30px; border-radius: 14px; background: #fff; box-shadow: 3px 3px 6px rgb(0 0 0 / .16); text-align: center; transition: box-shadow .35s; }
.hs-feature:hover { box-shadow: 6px 6px 25px rgb(0 0 0 / .15); }
.hs-feature__icon { display: block; width: 72px; height: 72px; margin: 0 auto 10px; object-fit: contain; }
.hs-feature__title { margin: 0 0 16px; font-size: 18px; font-weight: 700; }
.hs-feature__title, .hs-feature__title a { color: var(--gv-accent) !important; }
.hs-feature__text { margin: 0; color: var(--gv-text); font-size: 17px; line-height: 1.6; }

/* Dịch vụ dạng dòng */
.hs-rows { max-width: 1000px; margin: 0 auto; }
.hs-row { padding: 0 0 32px; margin: 0 0 32px; border-bottom: 1px solid var(--gv-line); }
.hs-row:last-child { border-bottom: 0; margin-bottom: 0; }
.hs-row__title { margin: 0 0 16px; font-size: 17px; font-weight: 700; text-transform: uppercase; }
.hs-row__title a { color: inherit; }
.hs-row__title a:hover { color: var(--gv-accent-dark); }
.hs-row__grid { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 768px) { .hs-row__grid { grid-template-columns: 5fr 7fr; } }
.hs-row__media { display: block; overflow: hidden; line-height: 0; background: #e9e9e9;border-radius:20px; overflow:hidden; }
.hs-row__media img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .6s; }
.hs-row__media:hover img { transform: scale(1.04); }
.hs-row__body p { margin: 0 0 12px; font-size: 17px; text-align: justify; }
.hs-row__more { color: var(--gv-accent-dark); font-size: 16px; font-weight: 600; text-transform: uppercase; }
.hs-row__more i { margin-left: 6px; }

/* ---------- Dải tiêu đề trang trong (ảnh nền + lớp phủ tối) có breadcrumb ---------- */
.gv-pagetitle { position: relative; display: flex; align-items: center; min-height: 190px; padding: 56px 0 50px; background: linear-gradient(120deg, #2f5d17, #5eb229) center / cover no-repeat; color: #fff; text-align: center; }
.gv-pagetitle::before { content: ""; position: absolute; inset: 0; background: rgb(8 20 6 / .5); }
.gv-pagetitle__in { position: relative; width: 100%; }
.gv-pagetitle h1 { margin: 0 0 12px; color: #fff !important; font-size: 40px; font-weight: 700; text-shadow: 0 2px 8px rgb(0 0 0 / .4); }
.gv-pagetitle__bc { display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 0; margin: 0; padding: 0; list-style: none; font-size: 17px; }
.gv-pagetitle__bc li { color: #fff; }
.gv-pagetitle__bc li + li::before { content: "/"; margin: 0 10px; opacity: .6; }
.gv-pagetitle__bc a { color: #fff; }
.gv-pagetitle__bc a:hover { color: #c7ef9f; }
.gv-pagetitle__bc [aria-current] { color: #c7ef9f; }
.gv-pagetitle + .gv-wrap { padding-top: 40px; }
@media (max-width: 991px) { .gv-pagetitle { min-height: 140px; padding: 38px 0 32px; } .gv-pagetitle h1 { font-size: 26px; } }

/* ---------- Trang trong ---------- */
.gv-wrap { width: 100%; max-width: var(--gv-w); margin: 0 auto; padding: 40px 15px 60px; }
.gv-crumbs { margin-bottom: 14px; color: var(--gv-muted); font-size: 17px; }
.gv-crumbs span { margin: 0 8px; }
.gv-crumbs strong { font-weight: 400; color: var(--gv-accent-dark); }
.gv-post__title { margin: 0 0 14px; font-size: 34px; font-weight: 700; }
.gv-article .gv-title, .gv-main-col .gv-title { text-align: left; }
.gv-article .gv-title::after, .gv-main-col .gv-title::after { left: 0; transform: none; }
.gv-meta { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0 0 18px; color: var(--gv-muted); font-size: 17px; }
.gv-meta i { margin-right: 6px; }
.gv-lead { font-size: 20px; font-weight: 600; }
.gv-content { font-size: 19px; line-height: 1.75; }
.gv-content img { height: auto; }
.gv-content table { width: 100%; max-width: 100%; margin: 0 0 1rem; border-collapse: collapse; }
.gv-content table td, .gv-content table th { padding: 8px 10px; border: 1px solid var(--gv-line); }
.gv-content blockquote { margin: 24px 0; padding: 20px 26px; border-left: 8px solid var(--gv-accent); background: #fff; box-shadow: 0 1px 8px -3px #b3b3b3; }
.gv-content a { text-decoration: underline; }
.gv-panel { margin-top: 36px; padding: 26px; background: var(--gv-grey); border-radius: 4px; }
.gv-widget__title { margin: 0 0 16px; font-size: 20px; font-weight: 700; text-transform: uppercase; }
.gv-block { margin-top: 44px; }
.gv-adbar { max-width: var(--gv-w); margin: 14px auto; padding: 0 15px; }
.gv-empty { padding: 30px 0; color: var(--gv-muted); }

/* Danh sách bài */
.gv-items { display: grid; gap: 28px; }
.gv-item { display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr); align-items: center; padding-bottom: 28px; border-bottom: 1px dashed #d5d9d6; }
@media (min-width: 640px) { .gv-item { grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 26px; } }
.gv-item__thumb { display: block; overflow: hidden; border-radius: 8px; background: #e9e9e9; line-height: 0; }
.gv-item__body { display: flex; flex-direction: column; justify-content: center; }
.gv-item__thumb img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.gv-item__noimg { display: grid; place-items: center; aspect-ratio: 3 / 2; color: #bbb; font-size: 32px; line-height: 1; }
.gv-item__title { margin: 0 0 8px; font-size: 20px; font-weight: 700; line-height: 1.35; }
@media (min-width: 992px) { .gv-item__title { font-size: 22px; } }
.gv-item__title a { color: var(--gv-ink); }
.gv-item__title a:hover { color: var(--gv-accent-dark); }
.gv-item__excerpt { margin: 0; color: var(--gv-text); font-size: 16px; line-height: 1.8; text-align: justify; }
@media (min-width: 992px) { .gv-item__excerpt { font-size: 19px; line-height: 1.85; } }
.gv-item__more { align-self: flex-end; margin-top: 8px; font-size: 17px; font-weight: 600; color: var(--gv-accent-dark); }
.gv-item__more::after { content: " +"; }

/* Bài viết liên quan: lưới 3 cột desktop, 2 cột tablet, 1 cột mobile; thẻ xếp dọc (ảnh trên, chữ dưới) */
.gv-related .gv-items { grid-template-columns: minmax(0, 1fr); gap: 24px; }
@media (min-width: 640px) { .gv-related .gv-items { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 992px) { .gv-related .gv-items { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.gv-related .gv-item { grid-template-columns: minmax(0, 1fr); align-content: start; align-items: stretch; gap: 12px; padding-bottom: 0; border-bottom: 0; }
.gv-related .gv-item__more { display: none; }
.gv-related .gv-item__title { font-size: 19px; line-height: 1.35; }
.gv-related .gv-item__excerpt { text-align: left; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; font-size: 16px; }
.gv-pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 34px; }
.gv-pager a, .gv-pager span { min-width: 40px; padding: 8px 14px; border: 1px solid var(--gv-line); color: #8a8a8a; text-align: center; }
.gv-pager a:hover { border-color: transparent; background: var(--gv-accent); color: #fff; }
.gv-pager .is-current { border-color: transparent; background: var(--gv-accent); color: #fff; }
.gv-pager__gap { border: 0 !important; }

/* Tìm kiếm / 404 / liên hệ */
.gv-searchbar { display: flex; gap: 8px; max-width: 560px; margin: 0 0 24px; }
.gv-searchbar--center { margin-left: auto; margin-right: auto; }
.gv-searchbar input { flex: 1; min-width: 0; height: 44px; padding: 0 14px; border: 1px solid #ccc; border-radius: 4px; }
.gv-searchbar button, .gv-btn { display: inline-block; padding: 0 20px; height: 44px; line-height: 44px; border: 0; border-radius: 100px; background: var(--gv-accent); color: #fff !important; font-weight: 600; cursor: pointer; }
.gv-btn { margin: 0 4px; }
.gv-btn--ghost { background: transparent; border: 1px solid var(--gv-accent); color: var(--gv-accent-dark) !important; }
.gv-searchbar button:hover, .gv-btn:hover { background: var(--gv-hover); color: var(--gv-ink) !important; }
.gv-tabs-lite { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; padding: 0; list-style: none; }
.gv-tabs-lite a { display: block; padding: 6px 14px; border: 1px solid var(--gv-accent); color: var(--gv-ink); font-size: 17px; }
.gv-tabs-lite a.is-active, .gv-tabs-lite a:hover { background: var(--gv-accent); color: #fff; }
.gv-count { opacity: .75; }
.gv-viewall { margin: 14px 0 0; }
.gv-notfound { padding: 40px 0 20px; text-align: center; }
.gv-notfound__code { color: var(--gv-accent); font-size: clamp(90px, 18vw, 200px); font-weight: 700; line-height: 1; }
.gv-notfound__links { margin-top: 26px; }
.gv-contact { display: grid; gap: 40px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 768px) { .gv-contact { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); } }
.gv-contact__list { margin: 0; padding: 0; list-style: none; }
.gv-contact__list li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--gv-line); }
.gv-contact__list i { width: 20px; margin-top: 5px; color: var(--gv-accent); }
.gv-map iframe { display: block; width: 100%; height: 380px; border: 0; }

/* ---------- Chân trang ---------- */
.gv-footer__top { padding: 56px 0 30px; background: var(--gv-dark) center / cover no-repeat; color: #e8e8e8; }
.gv-footer__top h1, .gv-footer__top h2, .gv-footer__top h3, .gv-footer__top h4, .gv-footer__top p, .gv-footer__top li, .gv-footer__top span { color: #e8e8e8; }
.gv-footer__top a { color: #e8e8e8; }
.gv-footer__top a:hover { color: var(--gv-accent); }
.gv-footer .footer-widget-title { margin: 0 0 18px; color: #fff; font-size: 22px; font-weight: 400; }
.gv-footer p, .gv-footer li { font-size: 16px; line-height: 1.8; }
.gv-footer ul { padding-left: 0; list-style: none; }
.gv-footer img { max-width: 100%; height: auto; }
/* Nút mạng xã hội tròn xanh (dùng trong HTML widget: <a class="gv-social"><i class="fa-brands fa-youtube"></i></a>) */
.gv-footer .gv-social, .gv-social { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-right: 8px; border-radius: 50%; background: var(--gv-accent); color: #fff !important; font-size: 14px; }
.gv-footer .gv-social:hover { background: var(--gv-hover); }
.gv-footer__bottom { padding: 18px 0; background: var(--gv-darker); color: #d6d6d6; font-size: 15px; text-align: center; }
.gv-footer__bottom-in { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 18px; }
.gv-footer__bottom a { color: #fff; font-weight: 600; }
.gv-totop { position: fixed; right: 20px; bottom: 24px; z-index: 80; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--gv-accent); color: #fff !important; font-size: 16px; box-shadow: 0 2px 6px rgb(0 0 0 / .3); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s, background-color .2s; }
.gv-totop.is-show { opacity: 1; visibility: visible; }
.gv-totop:hover { background: var(--gv-hover); }

/* ---------- Logo đối tác (Showcase slider) + chứng nhận ---------- */
.gv-logos { position: relative; --cols: 5; --gap: 22px; }
.gv-logos__track { display: flex; gap: var(--gap); overflow-x: auto; padding: 6px 4px 14px; scroll-snap-type: x mandatory; scrollbar-width: none; -ms-overflow-style: none; }
.gv-logos__track::-webkit-scrollbar { display: none; }
.gv-logos__item { flex: 0 0 calc((100% - (var(--cols) - 1) * var(--gap)) / var(--cols)); scroll-snap-align: start; display: grid; place-items: center; height: 100px; padding: 14px; border-radius: 4px; background: #fff; box-shadow: 0 3px 6px rgb(0 0 0 / .16); transition: transform .25s, box-shadow .25s; }
.gv-logos__item:hover { transform: translateY(-3px); box-shadow: 0 8px 16px rgb(0 0 0 / .18); }
.gv-logos__item img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.gv-logos__nav { position: absolute; top: 50%; z-index: 3; transform: translateY(-60%); width: 34px; height: 34px; border: 0; border-radius: 50%; background: var(--gv-accent); color: #fff; cursor: pointer; opacity: .9; }
.gv-logos__nav:hover { background: var(--gv-hover); }
.gv-logos__prev { left: -14px; }
.gv-logos__next { right: -14px; }
.gv-certs { display: grid; gap: 22px; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.gv-certs a { display: block; overflow: hidden; border-radius: 4px; background: #fff; box-shadow: 0 3px 6px rgb(0 0 0 / .16); line-height: 0; transition: transform .25s, box-shadow .25s; cursor: zoom-in; }
.gv-certs a:hover { transform: translateY(-3px); box-shadow: 0 8px 16px rgb(0 0 0 / .18); }
.gv-certs img { width: 100%; height: auto; }
.gv-zoom { max-width: 92vw; max-height: 92vh; padding: 0; border: 0; border-radius: 4px; background: #000; }
.gv-zoom::backdrop { background: rgb(0 0 0 / .8); }
.gv-zoom img { display: block; max-width: 92vw; max-height: 92vh; width: auto; height: auto; }

/* ---------- Máy tính bảng / điện thoại ---------- */
@media (max-width: 991px) {
  .gv-nav__bar { flex-wrap: wrap; gap: 0; }
  .gv-brand { flex: 1; }
  .gv-burger { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 0 11px; border: 0; background: transparent; cursor: pointer; }
  .gv-burger span { display: block; height: 2px; background: var(--gv-ink); }
  .gv-menu { display: none; flex: 0 0 100%; flex-direction: column; align-items: stretch; order: 5; padding: 0 0 8px; }
  .gv-menu.is-open { display: flex; }
  .gv-menu > li { display: flex; flex-wrap: wrap; align-items: center; border-top: 1px solid var(--gv-line); }
  .gv-menu > li > a { flex: 1; padding: 13px 4px; }
  .gv-has-sub > a::after { display: none; }
  .gv-sub-toggle { display: block; width: 44px; height: 44px; border: 0; background: transparent; color: var(--gv-ink); cursor: pointer; }
  .gv-sub { position: static; display: none; width: 100%; opacity: 1; visibility: visible; transform: none; border-top: 0; box-shadow: none; background: #f7f7f7; }
  .gv-has-sub.is-open > .gv-sub { display: block; }
  .gv-hero__nav { width: 34px; height: 34px; }
  .gv-band { padding: 38px 0 44px; }
  .gv-title { font-size: 20px; }
  .gv-logos { --cols: 3; --gap: 14px; }
  .gv-logos__prev { left: -6px; }
  .gv-logos__next { right: -6px; }
  .gv-certs { --cols: 2 !important; }
}
@media (max-width: 575px) {
  .gv-logos { --cols: 2; }
  .gv-topbar__mail { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) { .gv-hero__track, .gv-logos__track { scroll-behavior: auto; } * { transition: none !important; } }